Developments in different powertrains are ensuring the vehicles of the future will be cleaner and greener. Firms throughout Canada are serving to shape these applied sciences. Jeffrey Dahn’s lithium-ion energy density research has led to an exclusive research partnership with Tesla Motors, and drivetrain manufacturer TM4’s electrical motors are powering light and heavy vehicles. Hydrogen fuel cell R&D has spawned a cluster of homegrown companies like Hydrogenics and Ballard Energy Programs, and attracted R&D investments from world OEMs.